Merge branch 'master' of https://github.com/ushahidi/Lamu
Merge branch 'master' of https://github.com/ushahidi/Lamu
Merge branch 'refs/heads/set-details' into master-local

Conflicts:
	.floo
	modules/UshahidiUI/media/css/style.css
Sass-Refactoring

* added label, box-shadow & border-radius mixins to `.scss` files
* double spacing between class names for easier reading/scanning
* changed base.scss to global
* various html & sass adjustments
Panel Mixins

this commit removes `.panel` class from HTML and uses panel Sass Mixin.
Thumbnail Mixin

this commit removes `th` class from html and uses Sass mixin instead
Transition Mixin uses

takes advantage of Compass transition mixin
Retina Image Mixin

loads @2x image on retina displays
Retina Images

this commit implements a retina @2x image mixin.

* non-retina images are rendered on non-retina devices
* retina images are rendered on retina devices
Merge remote-tracking branch 'origin/sass-fixes'

Conflicts:
	modules/UshahidiUI/media/css/style.css
	modules/UshahidiUI/media/css/test/style.css
	modules/UshahidiUI/media/js/app/templates/modals/CreatePost.html